Plant Theory Clematis Broughton Star | 3L Pot Grown in our Specialist Nursery. Delightful double and semi-double flowering montana. Position: full sun or partial shade. Soil: fertile, well-drained, neutral soil. Rate of growth: average to fast-growing. Flowering period: May to June. Hardiness: fully hardy. A delightful double and semi-double flowering montana clematis, which although vigorous and large is not as rampant as some of the other forms. This scented deciduous climber emerges with young bronze-tinted foliage which matures to a rich green, offsetting the deep pink-veined blooms from spring to early summer. A fantastic plant for covering an unattractive fence or wall. Garden care: No routine pruning is necessary. If the spread of the plant needs to be restricted prune immediately after flowering, cutting back overlong shoots to healthy buds.